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134385580 = 22571078971
BaseRepresentation
bin10000000001010…
…00111110101100
3100100212111100201
420000220332230
5233400314310
621200203244
73221154460
oct1000507654
9310774321
10134385580
116994796a
1239009524
1321ac29c4
1413bc24a0
15bbe7e3a
hex8028fac

134385580 has 48 divisors (see below), whose sum is σ = 325575936. Its totient is φ = 45639360.

The previous prime is 134385571. The next prime is 134385599. The reversal of 134385580 is 85583431.

It is a super-2 number, since 2×1343855802 = 36118968223872800, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10495 + ... + 19465.

It is an arithmetic number, because the mean of its divisors is an integer number (6782832).

Almost surely, 2134385580 is an apocalyptic number.

134385580 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 134385580, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (162787968).

134385580 is an abundant number, since it is smaller than the sum of its proper divisors (191190356).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

134385580 is a wasteful number, since it uses less digits than its factorization.

134385580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9094 (or 9092 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 37.

The square root of 134385580 is about 11592.4794586835. The cubic root of 134385580 is about 512.2133459434.

The spelling of 134385580 in words is "one hundred thirty-four million, three hundred eighty-five thousand, five hundred eighty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 107 140 214 428 535 749 1070 1498 2140 2996 3745 7490 8971 14980 17942 35884 44855 62797 89710 125594 179420 251188 313985 627970 959897 1255940 1919794 3839588 4799485 6719279 9598970 13438558 19197940 26877116 33596395 67192790 134385580